111120101011 has 4 divisors (see below), whose sum is σ = 116968527400. Its totient is φ = 105271674624.

The previous prime is 111120100969. The next prime is 111120101023. The reversal of 111120101011 is 110101021111.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 110101021111 = 3001 ⋅36688111.

It is a cyclic number.

It is not a de Polignac number, because 111120101011 - 2⁹ = 111120100499 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (111120101041) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2924213166 + ... + 2924213203.

It is an arithmetic number, because the mean of its divisors is an integer number (29242131850).

Almost surely, 2^111120101011 is an apocalyptic number.

111120101011 is a deficient number, since it is larger than the sum of its proper divisors (5848426389).

111120101011 is an equidigital number, since it uses as much as digits as its factorization.

111120101011 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5848426388.

The product of its (nonzero) digits is 2, while the sum is 10.

Adding to 111120101011 its reverse (110101021111), we get a palindrome (221221122122).

The spelling of 111120101011 in words is "one hundred eleven billion, one hundred twenty million, one hundred one thousand, eleven".